Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are...
Select all of the true statements regarding chemical equilibrium. The concentrations of reactants and products are equal. ✓ The concentrations of reactants and products remain constant. Reactants are being converted to products and vice versa. The rates of the forward and reverse reactions are equal.
A chemical reaction has reached equilibrium when A) the concentrations of reactants and products are equal. B) all reactants have been converted to products. all products have been removed from the reaction mixture. D) the catalyst has been used up. E) the rate of the forward reaction equals the rate of the reverse reaction. 6) An equilibrium in which all the components are gases is a A) heterogeneous equilibrium. D) homogeneous B) liquid C) catalytic E) reversible 7) The equilibrium...
Consider the reaction. PC15(g) 근 PC13(g) + Cl2(g) K = 0.042 The concentrations of the products at equilibrium are PC, l = 0 10 M and [CI| = O. 1 3 M What is the concentration of the reactant, PCl, at equilibrium? PCI,I
Hon 17 of 37 > Write the equilibrium-constant expression for the reaction shown in terms of [A], [B]. (C), and (DI. A(g) +B(g) = 2 C(g) + D(g) Note that Kc, which is sometimes symbolized as Kor Keg, denotes that the equilibrium constant is expressed using mola concentrations. For this question, K means the same thing as K and Keq. Kc =
During a chemical reaction, what defines when the concentrations of the reactants and products reach a constant level? A) rate law B) rate constant C) equilibrium D) elementary process E) reversible reaction
Which of the following statements are true in this equilibrium state? A. The concentrations of reactants and prodcuts are still changing with time. B. The concentrations of reactants and products are equal. C. The rates of the forward and reverse reactions are equal. D. The rate of the reverse reaction is greater than that of the forward reaction. E. The rate of the forward reaction is greater than that of the reverse reaction.
Question 7 of 11> Write the equilibrium-constant expression for the reaction shown in terms of [NO], [O,1, and [NO,]. 2 NO(g)+0,(g) 2 NO, (g) Ke, which is sometimes symbolized as K or Keg, denotes that the equilibrium constant is expressed using molar concentrations. For this question, K means the same thing as K and Ko Ke =
Which of the following is a true statement about chemical equilibria in general? A. At equilibrium the total concentration of products equals the total concentration of reactants, that is, [products] = [reactants]. B. Equilibrium is the result of the cessation of all chemical change. C. There is only one set of equilibrium concentrations that equals the Kc value. D. At equilibrium, the rate constant of the forward reaction is equal to the rate constant for the reverse reaction. E. At...
At equilibrium, the concentrations of reactants and products can be predicted using the equilibrium constant, Kc, which is a mathematical expression based on the chemical equation. For example, in the reaction Part A aA + bB = CC + dD A mixture initially contains A, B, and C in the following concentrations: [A] = 0.350 M , [B] = 1.15 M, and [C] = 0.600 M. The following reaction occurs and equilibrium is established: where a, b, c, and d...
Which of the following statements about equilibrium expressions and equilibrium constants are correct? Choose all that apply. Check all that apply. For chemical reactions in which all reactants and products are gases, K. can never be equal to K The equilibrium expression for a reaction involving only gases can be written in terms of either partial pressures or concentrations. A homogeneous equilibrium is one where all reactants and products are in the same physical state, When a chemical reaction is...